Finding the Fourth Proportional to 1,506,085.83, 2,078,388.86 and 861,516.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,506,085.83 : 2,078,388.86 = 861,516.72 : x
2. Step 2: Convert to fraction form
   1,506,085.83/2,078,388.86 = 861,516.72/x
3. Step 3: Cross multiply
   1,506,085.83x = 2,078,388.86 × 861,516.72
4. Step 4: Simplify right side
   1,506,085.83x = 1,790,566,749,244.16
5. Step 5: Solve for x
   x = 1,790,566,749,244.16/1,506,085.83
6. Step 6: Final answer
   x = 1,188,887.59